import java.math.BigDecimal;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.concurrent.ConcurrentHashMap;

public class shierhao {
    public static void main(String[] args){
        double a=0.01;
        double b=0.05;
        System.out.println(a+b);
        BigDecimal a1=new BigDecimal(String.valueOf(0.01));
        BigDecimal b1=new BigDecimal(String.valueOf(0.05));
        a1=a1.add(b1);
        System.out.println(a1.doubleValue());
    }
}
